This simple test is now clipped after r252161: <style> div { border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-left-radius: 50%; border-bottom-right-radius: 50%; box-shadow: black 0px 0px 0px 2px inset; height: 40px; width: 40px; } </style> <div></div>
<rdar://57226117>
Created attachment 383858 [details] Reduction
Created attachment 383917 [details] Patch
Comment on attachment 383917 [details] Patch Clearing flags on attachment: 383917 Committed r252689: <https://trac.webkit.org/changeset/252689>
All reviewed patches have been landed. Closing bug.
This improved a regression but didn't quite fix it perfectly, see bug 211530.